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add task for creating missing preview images

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Uwe Steinmann 2021-05-09 13:41:53 +02:00
parent 53654444f0
commit c53b3babbd
1 changed files with 81 additions and 0 deletions
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81
inc/inc.Tasks.php
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@ -289,6 +289,87 @@ class SeedDMS_CheckSumTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
}
} /* }}} */
/**
* Class for processing a single folder
*
* SeedDMS_Task_Preview_Process_Folder::process() is used as a callable when
* iterating over all folders recursively.
*/
class SeedDMS_Task_Preview_Process_Folder { /* {{{ */
protected $logger;
protected $previewer;
protected $widths;
public function __construct($previewer, $widths, $logger) { /* {{{ */
$this->logger = $logger;
$this->previewer = $previewer;
$this->widths = $widths;
} /* }}} */
public function process($folder) { /* {{{ */
$dms = $folder->getDMS();
$documents = $folder->getDocuments();
if($documents) {
foreach($documents as $document) {
$versions = $document->getContent();
foreach($versions as $version) {
foreach($this->widths as $width) {
if($this->previewer->createPreview($version, $width)) {
$this->logger->log('Task \'preview\': created preview ('.$width.'px) for document '.$document->getId().':'.$version->getVersion(), PEAR_LOG_INFO);
// echo "Preview ".$width."px for ".$document->getId().":".$version->getVersion()." created\n";
}
}
}
}
}
} /* }}} */
} /* }}} */
/**
* Class containing methods for running a scheduled task
*
* @author Uwe Steinmann <uwe@steinmann.cx>
* @package SeedDMS
* @subpackage core
*/
class SeedDMS_PreviewTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
/**
* Run the task
*
* @param $task task to be executed
* @param $dms dms
* @return boolean true if task was executed succesfully, otherwise false
*/
public function execute($task) {
$dms = $this->dms;
$logger = $this->logger;
$settings = $this->settings;
$taskparams = $task->getParameter();
$folder = $dms->getRootFolder();
$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir);
$folderprocess = new SeedDMS_Task_Preview_Process_Folder($previewer, array($settings->_previewWidthList, $settings->_previewWidthDetail), $logger);
$tree = new SeedDMS_FolderTree($folder, array($folderprocess, 'process'));
call_user_func(array($folderprocess, 'process'), $folder);
return true;
}
public function getDescription() {
return 'Check all documents for a missing preview image';
}
public function getAdditionalParams() {
return array(
);
}
} /* }}} */
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['expireddocs'] = 'SeedDMS_ExpiredDocumentsTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['indexingdocs'] = 'SeedDMS_IndexingDocumentsTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['checksum'] = 'SeedDMS_CheckSumTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['preview'] = 'SeedDMS_PreviewTask';